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Last updated 30/1/2024

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Uberrimum sphere mundi commentum intersertis etiam questionibus domini Petri de Aliaco, 1498
 
A picture illustrating a solar eclipse which seems to show two Paper Boats floating in a stylised sea, appears in 'Uberrimum sphere mundi commentum intersertis etiam questionibus domini Petri de Aliaco', which was published in Paris in 1498 by Guy Marchant for himself and Jean Petit. This book is a version of the much earlier book 'Tractatus de Sphaera Mundi' by Johannes de Sacrobosco (a name used by John Holywood, an English mathematician and astronomer).

It is difficult to imagine what else could be being represented here, but, for lack of any confirmatory text, we cannot be completely certain that this is what the illustrator was intending to depict.

A full copy of the 1498 work can be accessed online here.

A similar illustration appeared in an earlier version of Sphaera Mundi published in Venice by Johan Santritter in 1488. It is clear that the illustration in the Marchant version has been simplified from this earlier illustration.

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Images from the 1498 version

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